Tom Fretz, a member of the Millstream Astronomy Club, will present a program about Mars at 8 p.m. Saturday in Shelter 5 at Riverbend Recreation Area.

After the program, participants can observe Venus, Mars, Jupiter and Saturn through the club’s telescopes, or participants may bring a telescope.

The free, family program requires no registration.

For more information, call the Hancock Park District office at 419-425-7275.